From 3870d9c3a764b9d7a92f5910f57d30b8ee8d0987 Mon Sep 17 00:00:00 2001 From: "Rodney W. Grimes" Date: Thu, 26 May 1994 05:23:31 +0000 Subject: BSD 4.4 Lite usr.sbin Sources --- libc/gen/pw_scan.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++++++++ libc/gen/pw_scan.h | 36 ++++++++++++++++ 2 files changed, 158 insertions(+) create mode 100644 libc/gen/pw_scan.c create mode 100644 libc/gen/pw_scan.h (limited to 'libc') diff --git a/libc/gen/pw_scan.c b/libc/gen/pw_scan.c new file mode 100644 index 0000000..3093ac2 --- /dev/null +++ b/libc/gen/pw_scan.c @@ -0,0 +1,122 @@ +/*- + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)pw_scan.c 8.3 (Berkeley) 4/2/94"; +#endif /* not lint */ + +/* + * This module is used to "verify" password entries by chpass(1) and + * pwd_mkdb(8). + */ + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "pw_scan.h" + +int +pw_scan(bp, pw) + char *bp; + struct passwd *pw; +{ + long id; + int root; + char *p, *sh; + + if (!(pw->pw_name = strsep(&bp, ":"))) /* login */ + goto fmt; + root = !strcmp(pw->pw_name, "root"); + + if (!(pw->pw_passwd = strsep(&bp, ":"))) /* passwd */ + goto fmt; + + if (!(p = strsep(&bp, ":"))) /* uid */ + goto fmt; + id = atol(p); + if (root && id) { + warnx("root uid should be 0"); + return (0); + } + if (id > USHRT_MAX) { + warnx("%s > max uid value (%d)", p, USHRT_MAX); + return (0); + } + pw->pw_uid = id; + + if (!(p = strsep(&bp, ":"))) /* gid */ + goto fmt; + id = atol(p); + if (id > USHRT_MAX) { + warnx("%s > max gid value (%d)", p, USHRT_MAX); + return (0); + } + pw->pw_gid = id; + + pw->pw_class = strsep(&bp, ":"); /* class */ + if (!(p = strsep(&bp, ":"))) /* change */ + goto fmt; + pw->pw_change = atol(p); + if (!(p = strsep(&bp, ":"))) /* expire */ + goto fmt; + pw->pw_expire = atol(p); + pw->pw_gecos = strsep(&bp, ":"); /* gecos */ + pw->pw_dir = strsep(&bp, ":"); /* directory */ + if (!(pw->pw_shell = strsep(&bp, ":"))) /* shell */ + goto fmt; + + p = pw->pw_shell; + if (root && *p) /* empty == /bin/sh */ + for (setusershell();;) { + if (!(sh = getusershell())) { + warnx("warning, unknown root shell"); + break; + } + if (!strcmp(p, sh)) + break; + } + + if (p = strsep(&bp, ":")) { /* too many */ +fmt: warnx("corrupted entry"); + return (0); + } + return (1); +} diff --git a/libc/gen/pw_scan.h b/libc/gen/pw_scan.h new file mode 100644 index 0000000..d1d4bc1 --- /dev/null +++ b/libc/gen/pw_scan.h @@ -0,0 +1,36 @@ +/*- + * Copyright (c) 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pw_scan.h 8.1 (Berkeley) 4/1/94 + */ + +extern int pw_scan __P((char *, struct passwd *)); -- cgit v1.2.3-56-ge451